Add proper locking around between threads shared variables and the calls to signal() and wait().

indra/llcommon/llthread.cpp

@@ -432,18 +432,8 @@ LLCondition::~LLCondition()
 	mAPRCondp = NULL;
 }
 
-
 void LLCondition::wait()
 {
-	if (!isLocked())
-	{ //mAPRMutexp MUST be locked before calling apr_thread_cond_wait
-		apr_thread_mutex_lock(mAPRMutexp);
-#if MUTEX_DEBUG
-		// avoid asserts on destruction in non-release builds
-		U32 id = LLThread::currentID();
-		mIsLocked[id] = TRUE;
-#endif
-	}
 	apr_thread_cond_wait(mAPRCondp, mAPRMutexp);
 }